shrub/j/1/lth.c
2014-09-05 13:13:24 -07:00

46 lines
774 B
C

/* j/1/lth.c
**
** This file is in the public domain.
*/
#include "all.h"
/* functions
*/
u3_noun
u3_cqa_lth(u3_atom a,
u3_atom b)
{
if ( u3_co_is_cat(a) && u3_co_is_cat(b) ) {
return u3_say(a <= b);
}
else {
mpz_t a_mp, b_mp;
u3_bean cmp;
u3_cr_mp(a_mp, a);
u3_cr_mp(b_mp, b);
cmp = (mpz_cmp(a_mp, b_mp) < 0) ? u3_yes : u3_no;
mpz_clear(a_mp);
mpz_clear(b_mp);
return cmp;
}
}
u3_noun
u3_cwa_lth(u3_noun cor)
{
u3_noun a, b;
if ( (u3_no == u3_cr_mean(cor, u3_cv_sam_2, &a, u3_cv_sam_3, &b, 0)) ||
(u3_no == u3ud(a)) ||
(u3_no == u3ud(b)) )
{
return u3_cm_bail(c3__exit);
} else {
return u3_cqa_lth(a, b);
}
}